搜索
（1）A. monkey B. money C. mother
（2）B.left B. leaf C. leaves
（3）A. singer B. singing C. sings
（4）A. hobby B. home C. hot
（5）A.an old actor B. a tall actor C. a funny actor
（6）A. ride a bike B. rides a bike C. riding a bike
（7）A. this morning B. this afternoon C. this evening
（8）A. tomorrow B. today C. Sunday
（9）A. playing basketball B. playing chess C. playing football
（10）A. by bus B. by subway C. by plane
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
